A) negative B) positive C) neutral
A) Gold B) Hydrogen C) Aluminum D) Carbon
A) physical change B) chemical change C) chemical property D) physical property
A) physical property B) physical change C) chemical change D) chemical property
A) chemical change B) chemical property C) physical change D) physical property
A) evaporating B) rusting C) burning D) solidifying
A) salting of food B) freezing of water C) burning of paper D) melting of chocolate
A) evaporating B) sublimination C) burning D) melting
A) dissolving of a solid B) change in shape C) release of heat energy D) change from a liquid to a gas
A) vaporization B) condensation C) deposition D) sublimination
A) sublimination B) condensation C) vaporization D) deposition
A) cells B) atoms C) metal D) carbon
A) electron B) element C) neutron D) proton
A) physical change B) chemical change C) physical property D) chemical property
A) shape B) density C) form D) state
A) All elements are metallic. B) Elements are made from mixtures of molecules. C) Each element contains only one kind of atom. D) There are only five known elements.
A) an alloy B) matter with no mass C) an element D) a compound
A) heat given off B) light given off C) a change of state D) color change
A) False B) True
A) chemical change B) chemical property C) physical change D) physical property
A) never will change state B) always can be reversed C) cannot be reversed easily D) never can be reversed
A) False B) True
A) True B) False
A) neutral B) negative C) positive
A) family B) metal C) team D) row
A) neutral B) positive C) negative
A) a proton B) an element C) a compound D) a mixture
A) a mixture B) an element C) a compound D) a proton
A) a proton B) a compound C) an atom D) an element
A) liquids B) The Noble Gases C) molecules D) elements |